[ 1323.910913][T14375] 
[ 1323.911048][T14375] =============================
[ 1323.911215][T14375] WARNING: suspicious RCU usage
[ 1323.911444][T14375] 6.12.0-rc7-virtme #1 Not tainted
[ 1323.911602][T14375] -----------------------------
[ 1323.911790][T14375] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1323.912022][T14375] 
[ 1323.912022][T14375] other info that might help us debug this:
[ 1323.912022][T14375] 
[ 1323.912338][T14375] 
[ 1323.912338][T14375] rcu_scheduler_active = 2, debug_locks = 1
[ 1323.912642][T14375] no locks held by smcrouted/14375.
[ 1323.912825][T14375] 
[ 1323.912825][T14375] stack backtrace:
[ 1323.913023][T14375] CPU: 0 UID: 0 PID: 14375 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1323.913308][T14375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1323.913512][T14375] Call Trace:
[ 1323.913643][T14375]  <TASK>
[ 1323.913734][T14375]  dump_stack_lvl+0xb0/0xd0
[ 1323.913908][T14375]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1323.914074][T14375]  ip6mr_get_table+0x142/0x190
[ 1323.914240][T14375]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1323.914400][T14375]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1323.914617][T14375]  ? __lock_release+0x103/0x460
[ 1323.914777][T14375]  ? __might_fault+0x11b/0x170
[ 1323.914939][T14375]  ? trace_lock_acquire+0x14d/0x1f0
[ 1323.915105][T14375]  ? __might_fault+0xc3/0x170
[ 1323.915262][T14375]  ? lock_acquire+0x32/0xc0
[ 1323.915426][T14375]  ? __might_fault+0xc3/0x170
[ 1323.915585][T14375]  ? __might_fault+0x11b/0x170
[ 1323.915765][T14375]  do_ipv6_setsockopt+0x705/0x34e0
[ 1323.915933][T14375]  ? __lock_release+0x10/0x460
[ 1323.916091][T14375]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1323.916249][T14375]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1323.916410][T14375]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1323.916561][T14375]  ? validate_chain+0x1fe/0xae0
[ 1323.916725][T14375]  ? is_bpf_text_address+0x67/0x120
[ 1323.916895][T14375]  ? __pfx_validate_chain+0x10/0x10
[ 1323.917051][T14375]  ? hlock_class+0x4e/0x130
[ 1323.917215][T14375]  ? mark_lock+0x38/0x3e0
[ 1323.917340][T14375]  ? __lock_acquire+0xb3f/0x1580
[ 1323.917522][T14375]  ? find_held_lock+0x2c/0x110
[ 1323.917682][T14375]  ? ipv6_setsockopt+0x7f/0xe0
[ 1323.917837][T14375]  ipv6_setsockopt+0x7f/0xe0
[ 1323.918012][T14375]  rawv6_setsockopt+0xb7/0x550
[ 1323.918198][T14375]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1323.918358][T14375]  ? __lock_acquire+0xb3f/0x1580
[ 1323.918519][T14375]  ? kfree+0x2d/0x340
[ 1323.918645][T14375]  do_sock_setsockopt+0x149/0x3a0
[ 1323.918812][T14375]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1323.918984][T14375]  ? __lock_release+0x103/0x460
[ 1323.919157][T14375]  ? fd_install+0x1d1/0x5a0
[ 1323.919334][T14375]  ? trace_lock_acquire+0x14d/0x1f0
[ 1323.919511][T14375]  ? fdget+0x52/0x1e0
[ 1323.919649][T14375]  __sys_setsockopt+0x104/0x1a0
[ 1323.919823][T14375]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1323.919997][T14375]  ? __sys_socket+0x168/0x1e0
[ 1323.920166][T14375]  ? __pfx___sys_socket+0x10/0x10
[ 1323.920341][T14375]  ? do_user_addr_fault+0x374/0xe30
[ 1323.920524][T14375]  __x64_sys_setsockopt+0xbd/0x160
[ 1323.920694][T14375]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1323.920907][T14375]  do_syscall_64+0xc1/0x1d0
[ 1323.921188][T14375]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1323.921410][T14375] RIP: 0033:0x7f5ce62e791e
[ 1323.921592][T14375] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1323.922283][T14375] RSP: 002b:00007ffe5c786af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1323.922544][T14375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ce62e791e
[ 1323.922820][T14375] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1323.923077][T14375] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1323.923331][T14375] R10: 00007ffe5c786b1c R11: 0000000000000246 R12: 0000000000000000
[ 1323.923599][T14375] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f5ce63ec000
[ 1323.923872][T14375]  </TASK>
[ 1323.929116][T14375] veth0: entered allmulticast mode
[ 1323.939626][T14375] veth1: entered allmulticast mode
[ 1323.940041][T14375] veth2: entered allmulticast mode
[ 1323.940386][T14375] veth3: entered allmulticast mode
[ 1323.940759][T14375] veth4: entered allmulticast mode
[ 1323.941103][T14375] veth5: entered allmulticast mode
[ 1349.473574][T14375] veth0: left allmulticast mode
[ 1349.473886][T14375] veth1: left allmulticast mode
[ 1349.474123][T14375] veth2: left allmulticast mode
[ 1349.474374][T14375] veth3: left allmulticast mode
[ 1349.474610][T14375] veth4: left allmulticast mode
[ 1349.474849][T14375] veth5: left allmulticast mode